15285003436816 has 45 divisors (see below), whose sum is σ = 29681411844231. Its totient is φ = 7625322918432.

The previous prime is 15285003436811. The next prime is 15285003436819. The reversal of 15285003436816 is 61863430058251.

The square root of 15285003436816 is 3909604.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15285003436811) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9680178715 + ... + 9680180293.

Almost surely, 2^{15285003436816} is an apocalyptic number.

15285003436816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

15285003436816 is the 3909604-th square number.

It is an amenable number.

15285003436816 is a deficient number, since it is larger than the sum of its proper divisors (14396408407415).

15285003436816 is an frugal number, since it uses more digits than its factorization.

15285003436816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4404 (or 2200 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 52.

The spelling of 15285003436816 in words is "fifteen trillion, two hundred eighty-five billion, three million, four hundred thirty-six thousand, eight hundred sixteen".